1194098688 has 96 divisors (see below), whose sum is σ = 3450417750. Its totient is φ = 397934592.

The previous prime is 1194098687. The next prime is 1194098749. The reversal of 1194098688 is 8868904911.

It can be written as a sum of positive squares in only one way, i.e., 1116094464 + 78004224 = 33408^2 + 8832^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1194098687) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 292888 + ... + 296936.

Almost surely, 2^1194098688 is an apocalyptic number.

1194098688 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1194098688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1725208875).

1194098688 is an abundant number, since it is smaller than the sum of its proper divisors (2256319062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1194098688 is an frugal number, since it uses more digits than its factorization.

1194098688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1194098688 is about 34555.7330699263. The cubic root of 1194098688 is about 1060.9137392291.

The spelling of 1194098688 in words is "one billion, one hundred ninety-four million, ninety-eight thousand, six hundred eighty-eight".